virtio_net: verify if queue is broken after virtqueue_get_buf()

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If a virtqueue_get_buf() call returns a NULL pointer a possibly endless while
loop should be avoided by checking for a broken virtqueue.

Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

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Heinz Graalfs 2013-10-29 09:40:47 +10:30 • committed by Rusty Russell

parent 40e4dc5301

commit 047b9b9495

1 changed files with 2 additions and 1 deletions

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drivers/net/virtio_net.c

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